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authorNeale Ranns <nranns@cisco.com>2020-11-25 09:14:22 +0000
committerBeno�t Ganne <bganne@cisco.com>2020-11-26 10:16:58 +0000
commit87866037c44be7dd7467981757d3206835901996 (patch)
tree0bf439e7459b7d6c1808395ecf73f344e8ec5541
parentcfe949dbf001d8fa18301ecc11c644f8cb39c5d7 (diff)
fib: Only track cover if activated
Type: fix also cleanup any tracking at delete Signed-off-by: Neale Ranns <nranns@cisco.com> Change-Id: Id1037920c88c63e2029384af931064c00ed497aa
-rw-r--r--src/vnet/fib/fib_entry_src_adj.c16
-rw-r--r--test/test_ip4.py14
2 files changed, 24 insertions, 6 deletions
diff --git a/src/vnet/fib/fib_entry_src_adj.c b/src/vnet/fib/fib_entry_src_adj.c
index ec80a867d49..fb46f2e4708 100644
--- a/src/vnet/fib/fib_entry_src_adj.c
+++ b/src/vnet/fib/fib_entry_src_adj.c
@@ -125,6 +125,12 @@ static void
fib_entry_src_adj_remove (fib_entry_src_t *src)
{
src->fes_pl = FIB_NODE_INDEX_INVALID;
+
+ if (FIB_NODE_INDEX_INVALID != src->u.adj.fesa_cover)
+ {
+ fib_entry_cover_untrack(fib_entry_get(src->u.adj.fesa_cover),
+ src->u.adj.fesa_sibling);
+ }
}
/*
@@ -311,6 +317,7 @@ fib_entry_src_adj_deactivate (fib_entry_src_t *src,
fib_attached_export_covered_removed(cover, fib_entry_get_index(fib_entry));
src->u.adj.fesa_cover = FIB_NODE_INDEX_INVALID;
+ src->u.adj.fesa_sibling = FIB_NODE_INDEX_INVALID;
}
static u8*
@@ -341,10 +348,17 @@ fib_entry_src_adj_cover_change (fib_entry_src_t *src,
const fib_entry_t *fib_entry)
{
fib_entry_src_cover_res_t res = {
- .install = !0,
+ .install = 0,
.bw_reason = FIB_NODE_BW_REASON_FLAG_NONE,
};
+ /*
+ * not interested in a change to the cover if the cover
+ * is not being tracked, i.e. the source is not active
+ */
+ if (FIB_NODE_INDEX_INVALID == src->u.adj.fesa_cover)
+ return res;
+
fib_entry_src_adj_deactivate(src, fib_entry);
res.install = fib_entry_src_adj_activate(src, fib_entry);
diff --git a/test/test_ip4.py b/test/test_ip4.py
index 2592f584656..35be24ca34d 100644
--- a/test/test_ip4.py
+++ b/test/test_ip4.py
@@ -2243,15 +2243,19 @@ class TestIPCover(VppTestCase):
register=False).add_vpp_config()
# add/remove/add a longer mask cover
- r = VppIpRoute(self, "127.0.0.0", 8,
- [VppRoutePath("127.0.0.1",
- lo.sw_if_index)]).add_vpp_config()
- r.remove_vpp_config()
- r.add_vpp_config()
+ r8 = VppIpRoute(self, "127.0.0.0", 8,
+ [VppRoutePath("127.0.0.1",
+ lo.sw_if_index)]).add_vpp_config()
+ r8.remove_vpp_config()
+ r8.add_vpp_config()
+ r8.remove_vpp_config()
# remove the default route
r.remove_vpp_config()
+ # remove the interface prefix
+ a.remove_vpp_config()
+
class TestIP4Replace(VppTestCase):
""" IPv4 Interface Address Replace """